Vision: The confrontation with Ignatius and his followers is pretty much what one could have expected it to be in that we're dealing with an insane, decadent freak who doesn't care what moral standards he ignores.

Originality: Although Baron Harkonnen from the Dune series never ate anyone that I know of, Ignatius does remind me of him. We have the same barbarous nature hidden poorly by what he thinks is culture.

Technique: Showing us how depraved Ignatius is and how little he thinks of the lives of anyone who isn't him makes him a rather convincing bad guy.

Impact: Well, you did hint that they'd rescued Twi from a monster and you delivered. When the purges come after the war, a lot of people will be happy.